A ball is thrown from a height of 49 meters with an initial downward velocity of 2 m/s. The ball's height h (in meters) after t seconds is given by the following.
[tex]h=49-2t-5t^2[/tex]
How long after the ball is thrown does it hit the ground?
Round your answer(s) to the nearest hundredth.
(If there is more than one answer, use the "or" button.)

Answers

Answer 1

A ball is thrown from an initial height of 6 feet with an initial upward velocity of 40ft/s . The ball's height h(in feet) after t seconds is given by the following. h=6+40t-16t^2 Find all values of t for which the ball's height is 28feet. Round your answer(s) to the nearest hundredth.


Related Questions

11. What is the center of the circle (x - 2)2 + (y + 6)2 = 25?​

Answers

If you’re solving for x, it’s x= 17/2 - y
If you’re solving for y, it’s y= 17/2 - x


HELP PLEASE!!!!!!!!!!!!

Answers

Answer:

I am thinking it is 112° or 136°

Let me know which one. Hope it helps though =)

BRAINIEST TO WHOEVER RIGHT

Answers

Could you get a closer picture?

Write 1012100 with a power of 10 with a single exponent using the appropriate exponent rule. Explain or show your reasoning.

Answers

Answer:

Step-by-step explanation:

Move the period 5 spaces to the left, and then write 1012100 as 1.0121*10^5.

solve for the value of n

Answers

Answer:

N = 27

Step-by-step explanation:

The total value would be 90 , as it is a right triangle . Starting from the aforementioned number and subtracting it by the given values above shall reward you with the correct answer .

90 - ( 6 + 3 ) = 81

81 / 3 = 27

ALSO GIVE ME BRAINLIEST PLEASE :)

Answer:

i think 27??

Step-by-step explanation:

n+6 +90+2!+3=180

Rachel rolls two number cubes, each with sides that are labeled 1 to 6. What is the probability that one number cube lands on a 1 and the other lands on an even?

Answers

Answer:

4/6. out of 1 2 3 4 5 6 only 3 number are even.but it says lands on 1 and the other lands on even. so 3 +1 = 4. sorry if it doesnt make sense

What is the measure of ∠4? Enter your answer in the box.

Answers

Answer:

59

Step-by-step explanation:

Take the deepest dive of an elephant seal and add it to the deepest seawater scuba dive by diver John Bennet. The result is 6,024 ft. Two times the elephant seal's depth minus Bennet's depth is 9,024 ft.

Answers

Answer:

[tex]x = 5016[/tex]

[tex]y = 1008[/tex]

Step-by-step explanation:

Given

Let:

[tex]x \to Elephant\ seal[/tex]

[tex]y \to Bennet[/tex]

From the first statement, we have:

[tex]x + y = 6024[/tex]

From the second, we have:

[tex]2x - y = 9024[/tex]

Required

Find x and y

Add both equations to eliminate y

[tex]x +2x + y - y = 6024 + 9024[/tex]

[tex]3x = 15048[/tex]

Divide both sides by 3

[tex]x = 15048/3[/tex]

[tex]x = 5016[/tex]

Substitute [tex]x = 5016[/tex] in [tex]x + y = 6024[/tex]

[tex]5016 + y = 6024[/tex]

Solve for y

[tex]y = 6024 - 5016[/tex]

[tex]y = 1008[/tex]

A sphere has radius 8 ft. If the radius is doubled, what is the effect on the volume?

The volume is multiplied by 6.
The volume is multiplied by 4.
The volume is multiplied by 8.
The volume is doubled.

Answers

Answer:

If the radius of the sphere is doubled, the volume would be multiplied by 4. Think of the sphere as a cube instead and if you were to double the sides, the area would be 4 times bigger. Hope this helps! :)

Y'ALL PLEASE HELP ME I REALLY NEED HELP!!!! ALL LINKS WILL BE DELETED/REPORTED.
What are the resulting coordinates of triangle J′K′L after reflecting triangle JKL across the x-axis?

Question options:

A)

J′ (–3, 1), K′ (4, 2), L′ (3, 4)

B)

J′ (1, –3), K′ (2, –4), L′ (–3, 4)

C)

J′ (–1, –3), K′ (–2, 4), L′ (–3, –4)

D)

J′ (3, –1), K′ (–4, 2), L′ (–3, 4)

Answers

Answer:

I think the answer is C but I'm not 100% sure

if f (x)=2[x],find f(1 1/4).

Answers

Answer:

11/2

Step-by-step explanation:

f(11/4) means x = 11/4

so substitute 11/4 for x in the eqn 2[x]

f(11/4) = 2[11/4] = 11/2

Sumaya's soccer coach randomly passes out three kinds of fruit bars (strawberry, blueberry, and apple) after each game. Sumaya has two games one morning. This table lists the sample space of outcomes. Second game Strawberry Blueberry Apple Strawberry SS SB SA First game Blueberry BS BB BA Apple AS AB AA In the event SB, Sumaya gets a strawberry bar after game 1 and a blueberry bar after game 2. Which outcome would be included in the event gets only one apple bar"?​

Answers

Answer:

A. AA

Step-by-step explanation:

Answer: AS is your answer!

Step-by-step explanation: AS has only one apple bar, which if you have the 5.1,2 Exam, you got this!

BRAINIEST TO WHOEVER RIGHT

Answers

Answer:

answer is C the means and the standard deviation because the data sets are normally disturbed

Answer: d

Step-by-step explanation:

How do you find the area of pentagons like this?

Answers

Answer:

Hi answer: 41

What I do for these is do the shapes separately and use the appropriate formulas! Then add them Up! So the easiest is the rectangle that would be 5 × 4 = 20 then the triangles would be 5 x 1 = 5 then ÷ by 2 = 2.5 but since there are two of those triangles we just multiply by 2 again so 2.5 × 2 = 5 for the last two triangles at the top it would be 4 × 4 = 16 then ÷ by 2 = 8 but since theres 2 triangles multiply by 2 so 8 × 2 = 16 now we add all of these numbers up so 20 + 5 + 16 = 41 Hope that helps!

Kyle and Leah both work in the evenings. Leah
has every fourth evening off and Kyle has
every third evening off. They were both off
on March 3. When in March are they both off
again?​

Answers

Answer:

The awnser is March 15th because every 12 days they are off at the same time

Step-by-step explanation:

BRAINLIEST PLEASE


In a cave, a stalactite gets 4 millimeters longer each year. This year it is
72 centimeters
How many years until it is 1 meter long *25 points*

Answers

The number of years it will take until the stalactite is 1 meter long is; 70 years

How to convert units of measurements?

From conversion units, we know that;

1 m = 100 cm

1 cm = 100 m

Current length is given as 72 cm

Thus;

Length after x years = 1 m = 100 cm

Length increase in x years  = 100 -72 = 28 cm

Since 1 cm = 10 mm

Then;

Length increase in x years  in mm = 28 * 10 = 280 mm

Thus;

Length increase in 1 year = 4 mm

Length increase in x years = 4x mm

Then; 4x  = 280

x = 70

Thus, it will take 70 years  until it is 1 meter long.

Read more about Units of Measurement at; https://brainly.com/question/777464

#SPJ1

A competitive diver dives from a 33-foot high diving board. The height of the diver in feet after 't' seconds is given by u(t) = −16t^2 + 4t + 33. At the moment the diver begins her dive, another diver begins climbing the diving board ladder at a rate of 2 feet per second. At what height above the pool deck do the two divers pass each other? Please answer it quickly, it's for my homework.

Answers

Answer:

[tex]t = 0.375s[/tex]

Step-by-step explanation:

Given

[tex]h(t) = -16t^2 + 4t + 33[/tex] --- driver 1

[tex]Rate = 2ft/s[/tex] -- driver 2

[tex]height = 33ft[/tex]

Required

The time they passed each other

First, we determine the function of driver 2.

We have that:

[tex]Rate = 2ft/s[/tex] and [tex]height = 33ft[/tex]

So, the function is:

[tex]h_2(t) = Height - Rate * t[/tex]

[tex]h_2(t) = 33 - 2t[/tex]

The time they drive pass each other is calculated as:

[tex]h(t) = h_2(t)[/tex]

[tex]-16t^2 + 4t + 33= 33 - 2t[/tex]

Collect like terms

[tex]-16t^2 + 4t + 2t= 33 - 33[/tex]

[tex]-16t^2 + 6t= 0[/tex]

Divide through by 2t

[tex]-8t + 3= 0[/tex]

Solve for -8t

[tex]-8t = -3[/tex]

Solve for t

[tex]t = \frac{-3}{-8}[/tex]

[tex]t = 0.375s[/tex]

A dime is dropped from a building at a
height of 1,024 ft. If the equation for
height as a function of time is
h(t) = -16t2 + initial height where t is time
in seconds and h(t) is height in feet, how
many seconds will it take for the dime to
hit the ground?
[?] seconds

Answers

Answer:

8 seconds

Step-by-step explanation:

Given :

h(t) = -16t2 + initial height

Initial height = 1024 feets

By the time it hits the ground, h(t) = 0

Equation becomes :

0 = - 16t² + 1024

Solve for t

-16t² = 1024

t² = 1024 / -16

t² = 64

t = √64

t = 8

Hence, it will take 8 seconds

HELP ME PLZ I NEED HELP

Answers

We need to see what the choices are

Help me I will brainliest and like fast

Answers

Answer:

5

Step-by-step explanation:

I believe that the answer is 5

Anishaa has read 125 pages of a 405 page book. She reads 20 pages each day. Write an equation that represents how long it will take her to finish reading this book.

Answers

Answer:

Time it would take her to finish the book = 280 / 20

Step-by-step explanation:

Time it would take her to finish the book = amount of pages left / how many pages she reads in a day

amount of pages left = 405 - 125 = 280

pages she reads in a day = 20

280  / 20

hello please help i’ll give brainliest

Answers

Answer:

1

Step-by-step explanation:

Help me plz and show work <3

Answers

the answer is 150.8 and here is the work

(I’ll give brainliset) Your friend makes a two dimensional model of a dividing cell as shown. The total area of the dividing cell is 350 square inches. What is the area of the shaded region to the nearest whole inch?
nearest whole inch?

Answers

Answer:

149.04 in^2

Step-by-step explanation:

The image of the question can be seen below.

In the image, we can see two circles that intersect at a given point.

We know that the total area of the image is 350 in^2

We want to find the area of the shaded part.

Ok, this seems to be hard, so instead, let's find the area of the two non-shaded parts (two semicircles) and just subtract that area from the total area of 350in^2

The two non-shaded parts are half a circle of diameter 16 inches.

We know that for a circle of diameter D, the area is:

A = pi*(D/2)^2

Where pi = 3.14

And because we want to find the area of two semicircles of diameter 16 inches, is exactly the same as finding the area for a single circle of diameter 16 inches.

This is:

A = 3.14*(16in/2)^2 = 3.14*(8in)^2 = 200.96 in^2

Now we can just subtract this from the total area:

shaded area = total area - A

shaded area = 350 in^2 - 200.96 in^2

shaded area = 149.04 in^2

Multiplying by a positive number will give a positive product. TrueFalse​

Answers

Answer:

true

Step-by-step explanation:

Write 90% as a fraction or mixed number in simplest form.

Answers

Answer:

9/10 I hope this helps :))

A plane travels at a speed of 180 mph in still air. Flying with a tailwind, the plane is clocked over a distance of 900 miles. Flying against a headwind, it takes 2 hours
longer to complete the return trip. What was the wind velocity? (Round your answer to the nearest tenth.)

Answers

The answer the answer is appropriately 40

solve the inequality 2x+10<5x+1

Answers

Answer:

x>3

Step-by-step explanation:

you would subtract 5x from 2x and get -3x+10 < 1

then subtract 10 from 1 and get -9 so

-3x<-9 then divide and flip sign x>3 hope this helps

Answer:

x>3

Step-by-step explanation:

1.subtract both sides

2x+10 -5 < 5x+1 -5

-3x+10<1

2.subtract 10 from both sides

-3x+10 -10 < 1 -10

-3x<-9

3.divide both sides with number including x

-3x < -9

-3      -3

= x > 3

---l----l-----l----O---l-----l-----l-->

 0    1     2    3    4     5    6

A man buys a car for 100k and sells it for 130k. He then buys the same car for 160k and sells it for 170k. Does he make a profit or a loss.

Answers

the answer is profit
Step 1: Subtract 100 from 130
100 - 130 = 30

Step 2: Subtract 160 from 170
170 - 160 = 10

Step 3: Add the results found
30 + 10 = 40

The man makes a profit

Find the measure of arc FGH given measure of angle FGH = 21x – 2 degrees and messure of angle FAH = 38x + 5 degrees.

Answers

Answer:

there is actually a secret degree in science

Step-by-step explanation:

it's called

ur mom

Question: help me on this problem :

Which two angles measures can u add to find the Measure of angle FMH? Pls

Pls help

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